EP1917748A4 - Adaptive pilot structure to assist channel estimation in spread spectrum systems - Google Patents

Adaptive pilot structure to assist channel estimation in spread spectrum systems

Info

Publication number: EP1917748A4
Authority: EP; European Patent Office
Prior art keywords: channel estimation; spread spectrum; pilot structure; spectrum systems; adaptive pilot
Prior art date: 2005-08-26
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP06783151.1A

Other languages

German (de)

French (fr)

Other versions

EP1917748A1 (en

EP1917748B1 (en

Inventor

Phong Nguyen

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

NEC Corp

Original Assignee

NEC Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2005-08-26

Filing date

2006-08-25

Publication date

2013-04-10

2005-08-26 Priority claimed from AU2005904681A external-priority patent/AU2005904681A0/en

2006-08-25 Application filed by NEC Corp filed Critical NEC Corp

2006-08-25 Priority to EP12193780.9A priority Critical patent/EP2566090B1/en

2006-08-25 Priority to EP12193779A priority patent/EP2566089A3/en

2008-05-07 Publication of EP1917748A1 publication Critical patent/EP1917748A1/en

2013-04-10 Publication of EP1917748A4 publication Critical patent/EP1917748A4/en

2018-02-28 Application granted granted Critical

2018-02-28 Publication of EP1917748B1 publication Critical patent/EP1917748B1/en

Status Expired - Fee Related legal-status Critical Current

2026-08-25 Anticipated expiration legal-status Critical

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
- H04L5/0085—Timing of allocation when channel conditions change
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
- H04L5/0087—Timing of allocation when data requirements change
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
- H04L25/0216—Channel estimation of impulse response with estimation of channel length
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Power Engineering (AREA)
Quality & Reliability (AREA)
Mobile Radio Communication Systems (AREA)

EP06783151.1A 2005-08-26 2006-08-25 Adaptive pilot structure to assist channel estimation in spread spectrum systems Expired - Fee Related EP1917748B1 (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
EP12193780.9A EP2566090B1 (en)	2005-08-26	2006-08-25	Adaptive pilot structure to assist channel estimation in spread spectrum systems
EP12193779A EP2566089A3 (en)	2005-08-26	2006-08-25	Adaptive pilot structure to assist channel estimation in spread spectrum systems

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
AU2005904681A AU2005904681A0 (en)		2005-08-26	Adaptive pilot structure to assist channel estimation in spread spectrum systems
PCT/JP2006/317290 WO2007024027A1 (en)	2005-08-26	2006-08-25	Adaptive pilot structure to assist channel estimation in spread spectrum systems
AU2006203697A AU2006203697A1 (en)	2005-08-26	2006-08-25	Adaptive pilot structure to assist channel estimation in spread spectrum systems

Related Child Applications (3)

Application Number	Title	Priority Date	Filing Date
EP12193780.9A Division EP2566090B1 (en)	2005-08-26	2006-08-25	Adaptive pilot structure to assist channel estimation in spread spectrum systems
EP12193780.9A Division-Into EP2566090B1 (en)	2005-08-26	2006-08-25	Adaptive pilot structure to assist channel estimation in spread spectrum systems
EP12193779A Division-Into EP2566089A3 (en)	2005-08-26	2006-08-25	Adaptive pilot structure to assist channel estimation in spread spectrum systems

Publications (3)

Publication Number	Publication Date
EP1917748A1 EP1917748A1 (en)	2008-05-07
EP1917748A4 true EP1917748A4 (en)	2013-04-10
EP1917748B1 EP1917748B1 (en)	2018-02-28

Family

ID=37771751

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
EP12193779A Withdrawn EP2566089A3 (en)	2005-08-26	2006-08-25	Adaptive pilot structure to assist channel estimation in spread spectrum systems
EP06783151.1A Expired - Fee Related EP1917748B1 (en)	2005-08-26	2006-08-25	Adaptive pilot structure to assist channel estimation in spread spectrum systems
EP12193780.9A Expired - Fee Related EP2566090B1 (en)	2005-08-26	2006-08-25	Adaptive pilot structure to assist channel estimation in spread spectrum systems

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
EP12193779A Withdrawn EP2566089A3 (en)	2005-08-26	2006-08-25	Adaptive pilot structure to assist channel estimation in spread spectrum systems

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
EP12193780.9A Expired - Fee Related EP2566090B1 (en)	2005-08-26	2006-08-25	Adaptive pilot structure to assist channel estimation in spread spectrum systems

Country Status (6)

Country	Link
US (4)	US8094737B2 (en)
EP (3)	EP2566089A3 (en)
JP (3)	JP5099004B2 (en)
CN (3)	CN101248607B (en)
AU (1)	AU2006203697A1 (en)
WO (1)	WO2007024027A1 (en)

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EA011429B1 (en) *	2005-09-01	2009-02-27	Шарп Кабусики Кайся	Wireless transmitting device and wireless transmitting device
WO2007052576A1 (en)	2005-10-31	2007-05-10	Sharp Kabushiki Kaisha	Terminal apparatus, base station apparatus and communication system
US8483304B2 (en) *	2005-10-31	2013-07-09	Sharp Kabushiki Kaisha	Radio transmitter, radio communication system, and radio transmission method
JP4611881B2 (en) *	2005-12-08	2011-01-12	シャープ株式会社	Adaptive modulation control apparatus, transmitter, receiver, and adaptive modulation control method
US20080057972A1 (en) *	2006-09-05	2008-03-06	Nokia Siemens Network Gmbh & Co., Kg	Method for allocating resources in a radio communication system
AU2007314679B2 (en) *	2006-10-31	2011-06-16	Telefonaktiebolaget Lm Ericsson (Publ)	HARQ in spatial multiplexing MIMO system
CN101193094B (en) *	2006-11-20	2011-10-19	电信科学技术研究院	A method and system for sending broadcast/multicast service
US8675571B2 (en)	2007-01-04	2014-03-18	Nokia Corporation	Apparatus, methods and computer program products providing a common signaling entry for a modular control channel structure
US8036190B2 (en) *	2007-02-27	2011-10-11	Industrial Technology Research Institute	Methods and devices for allocating data in a wireless communication system
KR101307123B1 (en) *	2007-05-04	2013-09-10	삼성전자주식회사	Method and apparatus for receiving/transmitting data in orthogonal frequency division multiplexing system
US8325784B2 (en) *	2007-08-31	2012-12-04	Panasonic Corporation	Communication apparatus, communication method, and integrated circuit
CN101394382B (en) *	2007-09-19	2013-01-16	中兴通讯股份有限公司	Method for reducing pilot sequence collision based on wideband single carrier system
US9100256B2 (en)	2009-01-15	2015-08-04	Arndt Mueller	Systems and methods for determining the number of channel estimation symbols based on the channel coherence bandwidth
US8532161B2 (en) *	2009-06-22	2013-09-10	Qualcomm Incorporated	Method and apparatus that facilitates estimating Doppler spread for uplink transmissions
US9444589B2 (en) *	2009-10-05	2016-09-13	Qualcomm Incorporated	Method and apparatus for puncturing data regions for signals to minimize data loss
CN102792653A (en) *	2009-12-08	2012-11-21	开普敦大学	Method for improving channel estimation performance in dynamic spectrum access multicarrier systems
EP2518959A4 (en)	2009-12-24	2014-12-17	Nec Corp	Wireless communication device, wireless communication system, and wireless communication method
US8576936B2 (en) *	2010-01-25	2013-11-05	Harris Corporation	Method and apparatus for high speed data transmission modulation and demodulation
US8824527B2 (en) *	2011-11-15	2014-09-02	Acorn Technologies, Inc.	OFDM receiver with time domain channel estimation
CN103220237B (en) *	2012-01-20	2017-03-29	电信科学技术研究院	A kind of transmission, the method and device for receiving CDMA spread spectrum symbols
US20130286961A1 (en) *	2012-04-10	2013-10-31	Qualcomm Incorporated	Systems and methods for wireless communication of long data units
US8712331B2 (en) *	2012-04-13	2014-04-29	Motorola Solutions, Inc.	Methods and apparatus for mitigating interference between co-located collaborating radios
US9621389B2 (en) *	2013-09-30	2017-04-11	Volvo Car Corporation	Method to introduce complementing training symbols into a 802.11p OFDM frame in vehicular communications
WO2015096094A1 (en) *	2013-12-26	2015-07-02	华为技术有限公司	Modulation of signal and recovery method of digital information, communication device and system
US10868650B2 (en) *	2015-05-27	2020-12-15	Qualcomm Incorporated	Pilot reconfiguration and retransmission in wireless networks
US11223402B1 (en)	2020-08-07	2022-01-11	Facebook, Inc.	Assisted channel approximation for wireless communication of a supercell base station
EP4356571A1 (en) *	2021-06-15	2024-04-24	Nokia Technologies Oy	Channel prediction error determination and related transmission of reference signals
CN114337968B (en) *	2021-12-28	2023-06-06	湖南智领通信科技有限公司	Active pilot frequency adjusting method and device based on real-time measurement and control data

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JP2000151548A (en) *	1998-11-05	2000-05-30	Matsushita Electric Ind Co Ltd	Ofdm communication apparatus
WO2004056022A2 (en) *	2002-12-13	2004-07-01	Electronics And Telecommunications Research Institute	Apparatus and method for signal constitution for downlink of ofdma-based cellular system
US20040128605A1 (en) *	2002-12-30	2004-07-01	Salvador Sibecas	Velocity enhancement for OFDM Systems

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2006
- 2006-08-25 EP EP12193779A patent/EP2566089A3/en not_active Withdrawn
- 2006-08-25 CN CN2006800312187A patent/CN101248607B/en not_active Expired - Fee Related
- 2006-08-25 EP EP06783151.1A patent/EP1917748B1/en not_active Expired - Fee Related
- 2006-08-25 JP JP2008505675A patent/JP5099004B2/en not_active Expired - Fee Related
- 2006-08-25 EP EP12193780.9A patent/EP2566090B1/en not_active Expired - Fee Related
- 2006-08-25 CN CN2012104956068A patent/CN103078724A/en active Pending
- 2006-08-25 AU AU2006203697A patent/AU2006203697A1/en not_active Abandoned
- 2006-08-25 WO PCT/JP2006/317290 patent/WO2007024027A1/en active Application Filing
- 2006-08-25 US US12/064,727 patent/US8094737B2/en active Active
- 2006-08-25 CN CN2012104973896A patent/CN103078725A/en active Pending
2012
- 2012-01-09 US US13/346,431 patent/US20120106596A1/en not_active Abandoned
- 2012-05-02 JP JP2012105301A patent/JP5333628B2/en not_active Expired - Fee Related
- 2012-07-30 JP JP2012168454A patent/JP2013009382A/en active Pending
- 2012-10-02 US US13/633,603 patent/US8576935B2/en active Active
- 2012-10-02 US US13/633,564 patent/US8588271B2/en active Active

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Publication number	Priority date	Publication date	Assignee	Title
JP2000151548A (en) *	1998-11-05	2000-05-30	Matsushita Electric Ind Co Ltd	Ofdm communication apparatus
WO2004056022A2 (en) *	2002-12-13	2004-07-01	Electronics And Telecommunications Research Institute	Apparatus and method for signal constitution for downlink of ofdma-based cellular system
US20040128605A1 (en) *	2002-12-30	2004-07-01	Salvador Sibecas	Velocity enhancement for OFDM Systems

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Title
NTT DOCOMO: "Pilot Channel and Scrambling Code in Evolved UTRA Downlink", 3GPP DRAFT; R1-050589_PILOT CHANNEL AND SCRAMBLING CODE IN EVOLVED UTRA DOWNLINK, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Sophia Antipolis, France; 20050616, 16 June 2005 (2005-06-16), XP050111407 *
See also references of WO2007024027A1 *

Also Published As

Publication number	Publication date
US8094737B2 (en)	2012-01-10
US20130028294A1 (en)	2013-01-31
EP2566090A2 (en)	2013-03-06
JP2012199935A (en)	2012-10-18
JP2009506583A (en)	2009-02-12
US8576935B2 (en)	2013-11-05
EP1917748A1 (en)	2008-05-07
EP2566090A3 (en)	2013-04-03
CN103078725A (en)	2013-05-01
US20090279589A1 (en)	2009-11-12
US20120106596A1 (en)	2012-05-03
US20130070678A1 (en)	2013-03-21
JP2013009382A (en)	2013-01-10
CN101248607A (en)	2008-08-20
AU2006203697A1 (en)	2007-03-15
JP5099004B2 (en)	2012-12-12
EP2566089A3 (en)	2013-04-03
EP2566090B1 (en)	2015-10-14
CN103078724A (en)	2013-05-01
JP5333628B2 (en)	2013-11-06
CN101248607B (en)	2013-08-28
US8588271B2 (en)	2013-11-19
EP1917748B1 (en)	2018-02-28
WO2007024027A1 (en)	2007-03-01
EP2566089A2 (en)	2013-03-06

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Publication	Publication Date	Title
EP1917748A4 (en)	2013-04-10	Adaptive pilot structure to assist channel estimation in spread spectrum systems
EP1897308A4 (en)	2013-10-09	Pilot design and channel estimation
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